MSVC needs the return 0 to compile.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129640 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/TargetLoweringObjectFile.cpp

@@ -123,6 +123,7 @@ static bool IsNullTerminatedString(const Constant *C) {
 MCSymbol *
 TargetLoweringObjectFile::getPersonalityPICSymbol(StringRef Name) const {
   assert(0 && "Not Available in this format.");
+  return 0;
 }
 
 void TargetLoweringObjectFile::emitPersonalityValue(MCStreamer &Streamer,